25620550

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{181}}^1$

素因数の和:361

約数の個数: 48

約数和(自身を含む): 50778000

約数和(自身を除く): 25157450

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 149, 181, 190, 298, 362, 475, 745, 905, 950, 1490, 1810, 2831, 3439, 3725, 4525, 5662, 6878, 7450, 9050, 14155, 17195, 26969, 28310, 34390, 53938, 70775, 85975, 134845, 141550, 171950, 269690, 512411, 674225, 1024822, 1348450, 2562055, 5124110, 12810275, 25620550]

約数ペア:

[(1, 25620550), (2, 12810275), (5, 5124110), (10, 2562055), (19, 1348450), (25, 1024822), (38, 674225), (50, 512411), (95, 269690), (149, 171950), (181, 141550), (190, 134845), (298, 85975), (362, 70775), (475, 53938), (745, 34390), (905, 28310), (950, 26969), (1490, 17195), (1810, 14155), (2831, 9050), (3439, 7450), (3725, 6878), (4525, 5662)]